Methods for 3D computation of fluid-object interactions in spatially periodic flows

Andrew Johnson, Tayfun E. Tezduyar

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

We present computational methods for 3D simulation of fluid-object interactions in spatially periodic flows. These methods include a stabilized space-time finite element formulation for incompressible flows with spatial periodicity, automatic mesh generation and update techniques for fluid-object mixtures with spatial periodicity, and parallel implementations. The methods can be applied to uni-periodic (i.e., periodic in one direction), bi-periodic, or tri-periodic flows. The methods are described here in the context of tri-periodic flows with fluid-object interactions, and are applied to the simulation of sedimentation of particles in a fluid. We present several case studies where the results obtained provide notable insight into the behavior of fluid-particle mixtures during sedimentation.

Original languageEnglish
Pages (from-to)3201-3221
Number of pages21
JournalComputer Methods in Applied Mechanics and Engineering
Volume190
Issue number24-25
DOIs
Publication statusPublished - 2001 Mar 2
Externally publishedYes

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Fluids
fluids
Sedimentation
interactions
periodic variations
Mesh generation
incompressible flow
Incompressible flow
Computational methods
simulation
formulations

ASJC Scopus subject areas

  • Computer Science Applications
  • Computational Mechanics

Cite this

Methods for 3D computation of fluid-object interactions in spatially periodic flows. / Johnson, Andrew; Tezduyar, Tayfun E.

In: Computer Methods in Applied Mechanics and Engineering, Vol. 190, No. 24-25, 02.03.2001, p. 3201-3221.

Research output: Contribution to journalArticle

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